MTD Squall 521 Snow Blower User Manual


 
Problem Cause Remedy
Engine Fails to start Fuel tank empty, or stale fuel.
Improper fuel mixture.
Blocked fuel line.
Key not in ON position.
Spark plug wire disconnected.
Faulty spark plug.
Engine not primed.
Engine flooded from excessive priming.
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8.
Fill tank with clean fresh gasoline.
Mix new fuel at a ratio of 50:1.
Clean fuel line.
Insert key and turn to ON position.
Connect wire to spark plug.
Clean spark plug, readjust gap, or replace.
Prime engine four times.
Wait at least ten minutes before starting.
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8.
Engine runs erratic Unit running on choke.
Fuel line blocked, or stale fuel.
Water or dirt in fuel system.
Carburetor out of adjustment.
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2.
3.
4.
Move choke lever to OFF position.
Clean fuel line and fill tank with fresh, clean
gasoline.
Refer to engine manual for remedy.
Refer to engine manual for remedy.
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2.
3.
4.
Engine overheats Carburetor out of adjustment.1. Refer to engine manual for instruction.1.
Loss of power Spark plug wire loose.
Vent in gas cap plugged.
1.
2.
Firmly connect spark plug wire.
Clear vent.
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2.
Excessive vibration Loose parts or damaged auger.1. Stop engine immediately and disconnect
spark plug wire. Check for possible damage.
Tighten all bolts and nuts. Repair as needed.
If the problem persists, take unit to an
authorized service dealer.
1.
Unit fails to self-propel Drive cable out of adjustment.
Drive belt loose or damaged.
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2.
Adjust auger control cable as shown in
Maintanence and Adjustments section.
Replace drive belt.
1.
2.
Augers continue to rotate Cable out of adjustment.1. Adjust auger control cable as shown in
Maintenance and Adjustments section.
1.
Unit fails to discharge snow Chute assembly clogged.
Shear pin sheared.
Foreign object lodged in auger.
Auger control cable out of adjustment.
Auger belt loose or damaged.
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5.
Stop engine and disconnect spark plug wire.
Clean chute and inside of auger housing with
clean-out tool or stick.
Replace shear pin.
Stop engine immediately and disconnect the
spark plug wire. Remove object from auger.
Adjust auger control cable.
Replace auger belt.
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2.
3.
4.
5.
Troubleshooting
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